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Home >> Chevrolet >> 2006 >> HHR LS, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 2.2L - Introduction (2 Of 2) >> Repair Instructions >> Engine Control Module (ECM) Replacement >> Installation Procedure
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Installation Procedure

    Fig 1: ECM Retaining Tabs
    GM1631892Courtesy of GENERAL MOTORS CORP.
    NOTE: Control module damage may result when the metal case contacts battery voltage. DO NOT contact the control module metal case with battery voltage when servicing a control module, using battery booster cables or when charging the vehicles battery.
  1. Slide the ECM (1) into the ECM/TCM bracket until the retaining tabs (2) engage the ECM.
    2. Fig 2: ECM Engine Harness Electrical Connector
    GM1631891Courtesy of GENERAL MOTORS CORP.
  2. Connect the engine harness electrical connector (2) to the ECM.
    3. Fig 3: ECM Body Harness Electrical Connector
    GM1631890Courtesy of GENERAL MOTORS CORP.
  3. Connect the body harness electrical connector (1) to the ECM.
    4. Fig 4: ECM/TCM Cover
    GM1631889Courtesy of GENERAL MOTORS CORP.
  4. Install the ECM/TCM cover.
  5. Connect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure .
  6. Program the ECM. Refer to Control Module References .
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